2655205 has 16 divisors (see below), whose sum is σ = 3680640. Its totient is φ = 1801152.

The previous prime is 2655199. The next prime is 2655209. The reversal of 2655205 is 5025562.

It is a cyclic number.

It is not a de Polignac number, because 2655205 - 2⁵ = 2655173 is a prime.

It is a super-2 number, since 2×2655205² = 14100227184050, which contains 22 as substring.

It is an Ulam number.

2655205 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 4099.

It is an arithmetic number, because the mean of its divisors is an integer number (230040).

2^2655205 is an apocalyptic number.

It is an amenable number.

2655205 is a deficient number, since it is larger than the sum of its proper divisors (1025435).

2655205 is a wasteful number, since it uses less digits than its factorization.

2655205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2655205 is about 1629.4799783980. The cubic root of 2655205 is about 138.4732926473.

The spelling of 2655205 in words is "two million, six hundred fifty-five thousand, two hundred five".